After recent weeks of plummeting prices of dried distillers grains, the nosedive seems to have at least slowed down last week, possibly indicating that the market found its bottom.

Although the DTN weekly spot price average fell another $10 last week, that decrease is smaller than the $48 plunge prices took in the past month, $32 of that drop in the prior week.

Last week's $160-per-ton average marks the lowest the average has reached in almost 3 1/2 years; the last time prices were this low was in early December 2010. This was also the 11th week that the average ...